All Questions
Tagged with performance javascript
838 questions
6
votes
1
answer
134
views
Dynamic image gallery with filters pulling from a JSON file
I have an image gallery of old internet banner ads that pulls URLs and metadata from a JSON file and then displays them based on a set of user-selectable filters. The filters can show/exclude images ...
- 160
3
votes
1
answer
91
views
Merge discrete integer intervals
What it does
The code starts with a set of integer intervals, and can add new intervals (possibly by updating existing intervals). Essentially, it is a bit array whose index starts at ...
- 1,158
2
votes
2
answers
141
views
Faster regex to match all worded numbers from 1 to 99
I would like to know if there is a better regex to match all worded numbers from 1 to 99.
With "better" I mean shorter with same performance, OR faster.
I came up with this. I can't do ...
- 31
5
votes
1
answer
130
views
Generate a Penrose tiling
I would like to know if it's possible to optimize the code the generate this type of Penrose Tiling.
I finished programming this type in javascript / p5.js and the algorithm works very fine and takes ...
- 73
3
votes
2
answers
86
views
Optimize Working Live Search & Highlight Function
I've written a custom Live Search & Highlight function in vanilla JS. It is working and does what I expect it to.
The issue is that the more items I add to the page content to search, the slower ...
- 31
5
votes
3
answers
121
views
How to optimize the algorithm of generating images in javascript canvas?
I added this question on Stackoverflow, but it was suggested that I post it here.
Currently, I create 2000x2000 pixels canvas and tile the image on it, and then tiling the texture on top and applying <...
- 153
2
votes
3
answers
198
views
Efficiently tagging first and last of each object matching condition
How can I make the code more readable and more efficient? (provided code is O(n²) time, but intuition says it can be pre-processed and done in O(n) time)
Description
it tags the first and last of ...
- 1,158
1
vote
2
answers
116
views
A simple performant factorial function
I am new to algorithm and data structure. After a little introduction to the topic, I have decided to implement a function called calculateFactorial, which takes an integer and calculates its ...
1
vote
1
answer
79
views
Extract each occurrence from an array of objects
I have a huge list of 4k+ software products.
My goal is simple. I have a list of products. Each of those products has a software value. I would like to extract each software occurrence and covert it ...
- 113
6
votes
2
answers
744
views
Lotto Number Generator - Javascript
Newbie to Javascript here and just practicing by making a random Lottery number generator. I am practicing by building simple, achievable projects.
The aim of this project is to make 10 lines of 6 ...
- 63
4
votes
3
answers
164
views
Efficiently generate a random position inside an outer rectangle but outside an inner rectangle
It should be a uniform distribution (ie: every point is equally as likely). I also don't want to use the simple solution of: "in a loop check to see if the current generated point is within the ...
- 223
3
votes
2
answers
95
views
Optimizing a Function to Check Pronic Numbers in JavaScript
I've written a function in JavaScript to check whether a given number is a Pronic number. A Pronic number, also known as an oblong number, rectangular number, or ...
- 573
4
votes
2
answers
66
views
Optimizing a Function to Generate a Row of Consecutive Odd Numbers in a Triangle
I've written a JavaScript function that generates a row of consecutive odd numbers in a triangle. The triangle looks like this:
...
- 573
3
votes
1
answer
123
views
Sorting the divisors of a given number
I am trying to sort all the divisors of a given number in the most efficient way.
Below is my code for sorting the divisors:
...
- 47
4
votes
0
answers
75
views
Google App Script to take form responses submitted by teachers on their students and produce formatted PDF student reports
I'm not a programmer but, with help, I managed to make a Google Apps Script which takes reports, submitted by teachers on their students, to the Form Responses Sheet, and then selects all responses ...
